US2474924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation method
Assignee: Texaco Inc
•
Filing: 1945-06-21
•
Granted: 1949-07-05
•
Expires: 1965-06-21
Abstract
No abstract record available.
Inventors
- 👤 Claude W Watson
- 👤 Clifford C Burton
- 👤 Loren P Scoville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:55
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2246703A
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US2325052A
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US2311144A
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US2380245A
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US2366627A
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US2370164A
Cited
US2379368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |